Granite Pink Feldspar, Shap Quarry, Cumbria, UK (rock sample)

£3.00

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SKU: RS0364 Category:

Description

Granite is a very hard, granular, crystalline igneous rock which consists mainly of quartz, mica, and feldspar and is often used as building stone

Orthoclase is a feldspar mineral with a chemical composition of KAlSi3O8. It is one of the most abundant rock-forming minerals of the continental crust. Orthoclase is most widely known as the Pink Feldspar found in many granites and as the mineral assigned a hardness of “6” in the Mohs hardness scale.

These are ideal for classroom teaching and are a size that can be easily passed round the classroom for students to get a feel for each type.

Approx: 30-60mm